Finding the Fourth Proportional to 7,272.18, 10,039.41 and 5,675.40

Step by Step Solution

1. Step 1: Write the proportion equation
   7,272.18 : 10,039.41 = 5,675.40 : x
2. Step 2: Convert to fraction form
   7,272.18/10,039.41 = 5,675.40/x
3. Step 3: Cross multiply
   7,272.18x = 10,039.41 × 5,675.40
4. Step 4: Simplify right side
   7,272.18x = 56,977,667.51
5. Step 5: Solve for x
   x = 56,977,667.51/7,272.18
6. Step 6: Final answer
   x = 7,835.02